The Retainer,dripwell, cataloged under National Stock Number 4820-01-184-4524, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. Government technical data includes 1 specification, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-184-4524 |
| Item Name | Retainer,dripwell |
| FSC / FSG | 4820 / 48 — Valves, Nonpowered |
| Status | ACTIVE |
| General Characteristics Item Description | BRASS;STEM END THREADED 0.312 IN. DEEP,INTERNALTHREADS 0.375-16 IN. NC-2,EXTERNAL THREADS 0.500-20 IN. NF-2;PLUG END 0.688 IN. THICK,1.000 IN. DIAMETER EXTERNALLY THREADED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| N-1041-1E PIECE 16 | 5/9 Secondary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
| 008638-010-999 | 3/9 Design control — primary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
| N-1041-1E | D/9 Drawing number reference only Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
| 8638-10-999 | 5/9 Secondary reference Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
| N10411CPC16 | C/1 Advisory reference — outside the item-of-supply concept Dresser Industries Inc Masoneilan North American Opns Dresser Valve and Controls Div |
NSN 4820-01-184-4524 is a Retainer,dripwell, classified under FSC 4820, Valves, Nonpowered. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-186-2267. Verify interchangeability with system specifications before substitution.
Key specifications for 4820-01-184-4524: General Characteristics Item Description: BRASS;STEM END THREADED 0.312 IN. DEEP,INTERNALTHREADS 0.375-16 IN. NC-2,EXTERNAL THREADS 0.500-20 IN. NF-2;PLUG END 0.688 IN. THICK,1.000 IN. DIAMETER EXTERNALLY THREADED IN. 1 specification is documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.